GB893110A - Improvements in or relating to vehicle tyres - Google Patents

Improvements in or relating to vehicle tyres

Info

Publication number
GB893110A
GB893110A GB22971/58A GB2297158A GB893110A GB 893110 A GB893110 A GB 893110A GB 22971/58 A GB22971/58 A GB 22971/58A GB 2297158 A GB2297158 A GB 2297158A GB 893110 A GB893110 A GB 893110A
Authority
GB
United Kingdom
Prior art keywords
austenite
temperature
july
steel
microns
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB22971/58A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB893110A publication Critical patent/GB893110A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/0007—Reinforcements made of metallic elements, e.g. cords, yarns, filaments or fibres made from metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/16—Carcasses built-up with metallic reinforcing inlays
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/002—Bainite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Ropes Or Cables (AREA)

Abstract

893,110. Pneumatic tyres. PHILIPS GLOEILAMPENFABRIKEN N.V. July 17, 1958 [July 20, 1957], No. 22971/58. Class 144 (2). A rubber or like faced pneumatic tyre has a carcase reinforced by wires of diameter not more than 200 microns made of steel of the type described in Specification 744,140 having a carbon content not less than 0.4%, which steel, in a state in which it consists of at least 80% austenite, is cooled, and may be simultaneously deformed, such that on reaching the recrystallisation temperature it consists of at least 80% austenite, and is subsequently deformed macroscopically in a temperature range, above 100‹ C., between the recrystallization temperature and 10‹ C. below the martensite-formation temperature, the last deformation being to a degree of at least 60% and carried out so rapidly that the austenite does not pass into a bainite or martensite structure. The wire diameter may be 150 microns or even less.
GB22971/58A 1957-07-20 1958-07-17 Improvements in or relating to vehicle tyres Expired GB893110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL219174A NL102435C (en) 1957-07-20 1957-07-20 AIR TIRE WITH A WEAR LAYER OF RUBBER OR SIMILAR MATERIAL FOR A VEHICLE WHEEL

Publications (1)

Publication Number Publication Date
GB893110A true GB893110A (en) 1962-04-04

Family

ID=63447036

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22971/58A Expired GB893110A (en) 1957-07-20 1958-07-17 Improvements in or relating to vehicle tyres

Country Status (4)

Country Link
BE (1) BE569565A (en)
FR (1) FR1211454A (en)
GB (1) GB893110A (en)
NL (1) NL102435C (en)

Also Published As

Publication number Publication date
NL102435C (en) 1962-09-17
FR1211454A (en) 1960-03-16
BE569565A (en) 1959-01-19

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